Absorption bands (cm-1) and their peak assignments LDPE (Low density Polyethylene) 545 -CH2 Rocking Vibration 1464 -CH3  anti symmetric deformation 1472 -CH2  symmetric deformation 1677 -CH3  symmetric deformation 2937 -CH2  anti symmetric deformation 2896 -CH3  symmetric stretching

Table 3: Characteristic peak values in FTIR spectra for virgin LDPE.